#3366AD#3366AD

#3366AD is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.126 H 257.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3366AD
RGB	rgb(51, 102, 173)
HSL	hsl(215, 54%, 44%)
HSV	hsv(215, 71%, 68%)
CMYK	cmyk(70.5%, 41%, 0%, 32.2%)
CIE-LAB	lab(43.10, 7.16, -42.95)
CIE-LCH	lch(43.10, 43.55, 279.46°)
OKLab	oklab(51.14% -0.0279 -0.1225)
OKLCH	oklch(51.14% 0.126 257.2)
XYZ	xyz(13.6567, 13.2222, 41.3595)
Luminance	0.1322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3366AD #AD7A33

analogous

#33A3AD #3366AD #3D33AD

triadic

#3366AD #AD3366 #66AD33

tetradic

#3366AD #AD33A3 #AD7A33 #33AD3D

square

#3366AD #AD33A3 #AD7A33 #33AD3D

split-complementary

#3366AD #AD3D33 #A3AD33

monochromatic

#172E4E #254A7E #3366AD #5185CC #81A6DA

Accessibility & contrast

On white

5.76

#3366AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3366AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3366AD

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3366AD	#FFFFFF	#000000	##FFFFFF
##3366AD	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456CB0

Deuteranopia (green-blind)

#3161AC

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3366ad;
/* rgb */ color: rgb(51, 102, 173);
/* oklch */ color: oklch(51.1% 0.126 257.2);

Tailwind

colors: {
  custom: {
    50: '#7991c6',
    500: '#3366ad',
    950: '#000000',
  },
}

SCSS

$custom: #3366ad;
$custom-light: #7991c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3366ad",
  "rgb": {
    "r": 51,
    "g": 102,
    "b": 173
  },
  "hsl": {
    "h": 214.918,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51136,
    "c": 0.12567,
    "h": 257.2
  },
  "luminance": 0.13224
}

Semantic roles & 50–950 ramp

primary

#3366AD

secondary

#C3A479

accent

#A04ADE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3366AD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →